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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/embed/ElementModes.hpp>
+#include <com/sun/star/embed/EntryInitModes.hpp>
+#include <com/sun/star/embed/XEmbedObjectFactory.hpp>
+#include <com/sun/star/embed/OOoEmbeddedObjectFactory.hpp>
+#include <com/sun/star/embed/OLEEmbeddedObjectFactory.hpp>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/lang/NoSupportException.hpp>
+#include <com/sun/star/lang/XComponent.hpp>
+
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/weak.hxx>
+#include <comphelper/documentconstants.hxx>
+#include <officecfg/Office/Common.hxx>
+
+#include <xcreator.hxx>
+#include <dummyobject.hxx>
+
+
+using namespace ::com::sun::star;
+
+uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitNew(
+ const uno::Sequence< sal_Int8 >& aClassID,
+ const OUString& aClassName,
+ const uno::Reference< embed::XStorage >& xStorage,
+ const OUString& sEntName,
+ const uno::Sequence< beans::PropertyValue >& lObjArgs )
+{
+ if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
+ throw lang::NoSupportException("Active OLE content is disabled!");
+ if ( !xStorage.is() )
+ throw lang::IllegalArgumentException( "No parent storage is provided!",
+ static_cast< ::cppu::OWeakObject* >(this),
+ 3 );
+
+ if ( sEntName.isEmpty() )
+ throw lang::IllegalArgumentException( "Empty element name is provided!",
+ static_cast< ::cppu::OWeakObject* >(this),
+ 4 );
+
+ OUString aEmbedFactory = m_aConfigHelper.GetFactoryNameByClassID( aClassID );
+ if ( aEmbedFactory.isEmpty() )
+ {
+ // use system fallback
+ // TODO: in future users factories can be tested
+ aEmbedFactory = "com.sun.star.embed.OLEEmbeddedObjectFactory";
+ }
+
+ uno::Reference < uno::XInterface > xFact( m_xContext->getServiceManager()->createInstanceWithContext(aEmbedFactory, m_xContext) );
+ uno::Reference< embed::XEmbedObjectCreator > xEmbCreator( xFact, uno::UNO_QUERY );
+ if ( xEmbCreator.is() )
+ return xEmbCreator->createInstanceInitNew( aClassID, aClassName, xStorage, sEntName, lObjArgs );
+
+ uno::Reference < embed::XEmbedObjectFactory > xEmbFact( xFact, uno::UNO_QUERY_THROW );
+ return xEmbFact->createInstanceUserInit( aClassID, aClassName, xStorage, sEntName, embed::EntryInitModes::TRUNCATE_INIT, uno::Sequence < beans::PropertyValue >(), lObjArgs);
+}
+
+
+uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitFromEntry(
+ const uno::Reference< embed::XStorage >& xStorage,
+ const OUString& sEntName,
+ const uno::Sequence< beans::PropertyValue >& aMedDescr,
+ const uno::Sequence< beans::PropertyValue >& lObjArgs )
+{
+ if ( !xStorage.is() )
+ throw lang::IllegalArgumentException( "No parent storage is provided!",
+ static_cast< ::cppu::OWeakObject* >(this),
+ 1 );
+
+ if ( sEntName.isEmpty() )
+ throw lang::IllegalArgumentException( "Empty element name is provided!",
+ static_cast< ::cppu::OWeakObject* >(this),
+ 2 );
+
+ uno::Reference< container::XNameAccess > xNameAccess( xStorage, uno::UNO_QUERY_THROW );
+
+ // detect entry existence
+ if ( !xNameAccess->hasByName( sEntName ) )
+ throw container::NoSuchElementException();
+
+ OUString aMediaType;
+ OUString aEmbedFactory;
+ if ( xStorage->isStorageElement( sEntName ) )
+ {
+ // the object must be based on storage
+ uno::Reference< embed::XStorage > xSubStorage =
+ xStorage->openStorageElement( sEntName, embed::ElementModes::READ );
+
+ uno::Reference< beans::XPropertySet > xPropSet( xSubStorage, uno::UNO_QUERY_THROW );
+
+ try {
+ uno::Any aAny = xPropSet->getPropertyValue("MediaType");
+ aAny >>= aMediaType;
+ }
+ catch ( const uno::Exception& )
+ {
+ }
+
+ try {
+ if ( xSubStorage.is() )
+ xSubStorage->dispose();
+ }
+ catch ( const uno::Exception& )
+ {
+ }
+ }
+ else
+ {
+ // the object must be based on stream
+ // it means for now that this is an OLE object
+
+ // the object will be created as embedded object
+ // after it is loaded it can detect that it is a link
+
+ uno::Reference< io::XStream > xSubStream =
+ xStorage->openStreamElement( sEntName, embed::ElementModes::READ );
+
+ uno::Reference< beans::XPropertySet > xPropSet( xSubStream, uno::UNO_QUERY_THROW );
+
+ try {
+ uno::Any aAny = xPropSet->getPropertyValue("MediaType");
+ aAny >>= aMediaType;
+ if ( aMediaType == "application/vnd.sun.star.oleobject" )
+ aEmbedFactory = "com.sun.star.embed.OLEEmbeddedObjectFactory";
+ }
+ catch ( const uno::Exception& )
+ {
+ }
+
+ try {
+ uno::Reference< lang::XComponent > xComp( xSubStream, uno::UNO_QUERY );
+ if ( xComp.is() )
+ xComp->dispose();
+ }
+ catch ( const uno::Exception& )
+ {
+ }
+ }
+
+ OSL_ENSURE( !aMediaType.isEmpty(), "No media type is specified for the object!" );
+ if ( !aMediaType.isEmpty() && aEmbedFactory.isEmpty() )
+ {
+ aEmbedFactory = m_aConfigHelper.GetFactoryNameByMediaType( aMediaType );
+
+ // If no factory is found, fall back to the FileFormatVersion=6200 filter, Base only has that.
+ if (aEmbedFactory.isEmpty() && aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_DATABASE_ASCII)
+ aEmbedFactory = m_aConfigHelper.GetFactoryNameByMediaType(MIMETYPE_VND_SUN_XML_BASE_ASCII);
+ }
+
+ if ( !aEmbedFactory.isEmpty()
+ // when active OLE content is disabled, ignore aEmbedFactory and force
+ // the embedded object to be an ODummyEmbeddedObject
+ && !officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
+ {
+ uno::Reference< uno::XInterface > xFact = m_xContext->getServiceManager()->createInstanceWithContext(aEmbedFactory, m_xContext);
+
+ uno::Reference< embed::XEmbedObjectCreator > xEmbCreator( xFact, uno::UNO_QUERY );
+ if ( xEmbCreator.is() )
+ return xEmbCreator->createInstanceInitFromEntry( xStorage, sEntName, aMedDescr, lObjArgs );
+
+ uno::Reference < embed::XEmbedObjectFactory > xEmbFact( xFact, uno::UNO_QUERY );
+ if ( xEmbFact.is() )
+ return xEmbFact->createInstanceUserInit( uno::Sequence< sal_Int8 >(), OUString(), xStorage, sEntName, embed::EntryInitModes::DEFAULT_INIT, aMedDescr, lObjArgs);
+ }
+
+ // the default object should be created, it will allow to store the contents on the next saving
+ uno::Reference< uno::XInterface > xResult( static_cast< cppu::OWeakObject* >( new ODummyEmbeddedObject() ) );
+ uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY_THROW );
+ xPersist->setPersistentEntry( xStorage, sEntName, embed::EntryInitModes::DEFAULT_INIT, aMedDescr, lObjArgs );
+ return xResult;
+}
+
+/**
+ * Decides if rFilter should be used to load data into a doc model or real OLE embedding should
+ * happen. Empty return value means the later.
+ */
+static OUString HandleFilter(const OUString& rFilter)
+{
+ OUString aRet = rFilter;
+
+ if (!officecfg::Office::Common::Filter::Microsoft::Import::WinWordToWriter::get())
+ {
+ if (rFilter == "MS Word 97" || rFilter == "MS Word 2007 XML")
+ {
+ aRet.clear();
+ }
+ }
+
+ if (!officecfg::Office::Common::Filter::Microsoft::Import::ExcelToCalc::get())
+ {
+ if (rFilter == "MS Excel 97" || rFilter == "Calc MS Excel 2007 XML")
+ {
+ aRet.clear();
+ }
+ }
+ if (!officecfg::Office::Common::Filter::Microsoft::Import::PowerPointToImpress::get())
+ {
+ if (rFilter == "MS PowerPoint 97" || rFilter == "Impress MS PowerPoint 2007 XML")
+ {
+ aRet.clear();
+ }
+ }
+ if (!officecfg::Office::Common::Filter::Microsoft::Import::VisioToDraw::get())
+ {
+ if (rFilter == "Visio Document")
+ {
+ aRet.clear();
+ }
+ }
+ if (!officecfg::Office::Common::Filter::Adobe::Import::PDFToDraw::get())
+ {
+ if (rFilter == "draw_pdf_import")
+ {
+ aRet.clear();
+ }
+ }
+
+ return aRet;
+}
+
+uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitFromMediaDescriptor(
+ const uno::Reference< embed::XStorage >& xStorage,
+ const OUString& sEntName,
+ const uno::Sequence< beans::PropertyValue >& aMediaDescr,
+ const uno::Sequence< beans::PropertyValue >& lObjArgs )
+{
+ if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
+ throw lang::NoSupportException("Active OLE content is disabled!");
+ // TODO: use lObjArgs
+
+ if ( !xStorage.is() )
+ throw lang::IllegalArgumentException( "No parent storage is provided!",
+ static_cast< ::cppu::OWeakObject* >(this),
+ 1 );
+
+ if ( sEntName.isEmpty() )
+ throw lang::IllegalArgumentException( "Empty element name is provided!",
+ static_cast< ::cppu::OWeakObject* >(this),
+ 2 );
+
+ uno::Reference< uno::XInterface > xResult;
+ uno::Sequence< beans::PropertyValue > aTempMedDescr( aMediaDescr );
+
+ // check if there is FilterName
+ OUString aFilterName = m_aConfigHelper.UpdateMediaDescriptorWithFilterName( aTempMedDescr, false );
+
+ aFilterName = HandleFilter(aFilterName);
+
+ if ( !aFilterName.isEmpty() )
+ {
+ // the object can be loaded by one of the office application
+ uno::Reference< embed::XEmbeddedObjectCreator > xOOoEmbCreator =
+ embed::OOoEmbeddedObjectFactory::create( m_xContext );
+
+ xResult = xOOoEmbCreator->createInstanceInitFromMediaDescriptor( xStorage,
+ sEntName,
+ aTempMedDescr,
+ lObjArgs );
+ }
+ else
+ {
+ // must be an OLE object
+
+ // TODO: in future, when more object types are possible this place seems
+ // to be a weak one, probably configuration must provide a type detection service
+ // for every factory, so any file could go through services until it is recognized
+ // or there is no more services
+ // Or for example the typename can be used to detect object type if typedetection
+ // was also extended.
+
+ uno::Reference< embed::XEmbeddedObjectCreator > xOleEmbCreator =
+ embed::OLEEmbeddedObjectFactory::create( m_xContext );
+
+ xResult = xOleEmbCreator->createInstanceInitFromMediaDescriptor( xStorage, sEntName, aTempMedDescr, lObjArgs );
+ }
+
+ return xResult;
+}
+
+
+uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceUserInit(
+ const uno::Sequence< sal_Int8 >& aClassID,
+ const OUString& sClassName,
+ const uno::Reference< embed::XStorage >& xStorage,
+ const OUString& sEntName,
+ sal_Int32 nEntryConnectionMode,
+ const uno::Sequence< beans::PropertyValue >& aArgs,
+ const uno::Sequence< beans::PropertyValue >& aObjectArgs )
+{
+ if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
+ throw lang::NoSupportException("Active OLE content is disabled!");
+ if ( !xStorage.is() )
+ throw lang::IllegalArgumentException( "No parent storage is provided!",
+ static_cast< ::cppu::OWeakObject* >(this),
+ 3 );
+
+ if ( sEntName.isEmpty() )
+ throw lang::IllegalArgumentException( "Empty element name is provided!",
+ static_cast< ::cppu::OWeakObject* >(this),
+ 4 );
+
+ OUString aEmbedFactory = m_aConfigHelper.GetFactoryNameByClassID( aClassID );
+ uno::Reference< embed::XEmbedObjectFactory > xEmbFactory(
+ m_xContext->getServiceManager()->createInstanceWithContext(aEmbedFactory, m_xContext),
+ uno::UNO_QUERY_THROW );
+
+ return xEmbFactory->createInstanceUserInit( aClassID,
+ sClassName,
+ xStorage,
+ sEntName,
+ nEntryConnectionMode,
+ aArgs,
+ aObjectArgs );
+}
+
+
+uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceLink(
+ const uno::Reference< embed::XStorage >& xStorage,
+ const OUString& sEntName,
+ const uno::Sequence< beans::PropertyValue >& aMediaDescr,
+ const uno::Sequence< beans::PropertyValue >& lObjArgs )
+{
+ if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
+ throw lang::NoSupportException("Active OLE content is disabled!");
+
+ uno::Reference< uno::XInterface > xResult;
+
+ uno::Sequence< beans::PropertyValue > aTempMedDescr( aMediaDescr );
+
+ // check if there is URL, URL must exist
+ OUString aURL;
+ for ( beans::PropertyValue const & prop : std::as_const(aTempMedDescr) )
+ if ( prop.Name == "URL" )
+ prop.Value >>= aURL;
+
+ if ( aURL.isEmpty() )
+ throw lang::IllegalArgumentException( "No URL for the link is provided!",
+ static_cast< ::cppu::OWeakObject* >(this),
+ 3 );
+
+ OUString aFilterName = m_aConfigHelper.UpdateMediaDescriptorWithFilterName( aTempMedDescr, false );
+
+ if ( !aFilterName.isEmpty() )
+ {
+ // the object can be loaded by one of the office application
+ uno::Reference< embed::XEmbeddedObjectCreator > xOOoLinkCreator =
+ embed::OOoEmbeddedObjectFactory::create( m_xContext );
+
+ xResult = xOOoLinkCreator->createInstanceLink( xStorage,
+ sEntName,
+ aTempMedDescr,
+ lObjArgs );
+ }
+ else
+ {
+ // must be an OLE link
+
+ // TODO: in future, when more object types are possible this place seems
+ // to be a weak one, probably configuration must provide a type detection service
+ // for every factory, so any file could go through services until it is recognized
+ // or there is no more services
+ // Or for example the typename can be used to detect object type if typedetection
+ // was also extended.
+
+ if ( !xStorage.is() )
+ throw lang::IllegalArgumentException( "No parent storage is provided!",
+ static_cast< ::cppu::OWeakObject* >(this),
+ 3 );
+
+ if ( sEntName.isEmpty() )
+ throw lang::IllegalArgumentException( "Empty element name is provided!",
+ static_cast< ::cppu::OWeakObject* >(this),
+ 4 );
+
+ uno::Reference< embed::XEmbeddedObjectCreator > xLinkCreator =
+ embed::OLEEmbeddedObjectFactory::create( m_xContext);
+
+ xResult = xLinkCreator->createInstanceLink( xStorage, sEntName, aTempMedDescr, lObjArgs );
+ }
+
+ return xResult;
+}
+
+OUString SAL_CALL UNOEmbeddedObjectCreator::getImplementationName()
+{
+ return "com.sun.star.comp.embed.EmbeddedObjectCreator";
+}
+
+sal_Bool SAL_CALL UNOEmbeddedObjectCreator::supportsService( const OUString& ServiceName )
+{
+ return cppu::supportsService(this, ServiceName);
+}
+
+uno::Sequence< OUString > SAL_CALL UNOEmbeddedObjectCreator::getSupportedServiceNames()
+{
+ return { "com.sun.star.embed.EmbeddedObjectCreator", "com.sun.star.comp.embed.EmbeddedObjectCreator" };
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+embeddedobj_UNOEmbeddedObjectCreator_get_implementation(
+ css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
+{
+ return cppu::acquire(new UNOEmbeddedObjectCreator(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */